I want to draw a straight line at the same time in the line near the line length, because it is dynamic. The length has been changed, so too is a variable, do excuse me
CodePudding user response:
Able to use gdi drawstring draw the value of a variable
CodePudding user response:
See how Microsoft 'drawing' show
CodePudding user response:
The length of the real-time display the left mouse button click mobile?
CodePudding user response:
Yes, I'm doing a acdsee can measure linear distance in the image